Does leaving your tailgate down save gas?

We found that adding a tonneau cover or lowering the tailgate hurt fuel economy, rather than helped it. With the tailgate up and no tonneau, we got 22.3 mpg. Dropping the tailgate decreased efficiency to 21.5 mpg.
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How much gas do you save with tailgate down?

The net is attached to the back of the truck with the tailgate lowered. According to a test conducted by Mythbusters, it improved their truck's gas mileage by 5%.
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Why do people leave their tailgates down?

True or false: driving with the tailgate down saves gas.

Most people believe that driving with the tailgate down is a sure-fire way of saving gas. A common argument against the tailgate being closed (up) is it creates an invisible wall where the air hits, thus increasing drag.
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Can you leave tailgate down?

Some pickup truck owners prefer to drive with the tailgate down even when the bed is empty. Most states do not outlaw this practice, but a handful of states do have laws forbidding this. The laws appear to apply to both the tailgates of trucks, the hatch doors of an SUV, and the trunks of cars.
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Does tailgating a truck save gas?

Xin Lu of Wise Bread points out some uncommon wisdom: Driving behind large trucks, and taking advantage of something called "drafting," can save you up to 10 percent on gas. The science behind drafting, she explains, is closely related to why driving slower saves you energy.
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Insert from MythBusters - Tailgate Up or Down 2 (from More Myths Revisited) fuel consumption test



Does slipstreaming save fuel?

Yes, vehicles create a region of relatively low-pressure air behind them, and it is indeed possible to reduce fuel consumption by getting into this 'slip-stream'. According to research published last year by the University of Aachen, Germany, lorries can save around 17 per cent in fuel by tailgating each other.
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How can I improve gas mileage in my truck?

How To Get Better Gas Mileage In A Truck
  1. Use Cruise Control. A common cause of poor mileage is inconsistent speed. ...
  2. Avoid Idling. Almost by definition, idling is a waste of gas. ...
  3. Plan Ahead. ...
  4. Lighten The Load. ...
  5. Use A Lower-Viscosity Oil. ...
  6. Stay Up-To-Date On Maintenance. ...
  7. Are Modifications Worthwhile? ...
  8. Summary.
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Can I pull my camper with my tailgate down?

Yes, it is quite possible to tow a trailer with the tailgate down, as long as you have the right drawbar set up. Otherwise, you will find it very difficult or even impossible in some cases.
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Can I leave my tailgate on with a truck camper?

Depending on the size of your camper and truck bed, you may leave your tailgate on without any issue. However, your tailgate will add weight to your truck, which will take away from your payload capacity.
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Can I tow a boat with my tailgate down?

Depends on how long your hitch and trailer tongue is...if it is a "v-nose" trailer or not. You'll have to do some measuring, but certainly, towing with the tailgate down is possible. We towed a v-nose, enclosed snowmobile trailer, but needed an extension on the hitch that would bear the weight of the trailer, etc.
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Is it legal to drive with your tailgate down in California?

Is It Illegal To Drive With Tailgate Down California? In California, it's not illegal to drive with your tailgate down. If you have an item that sticks out of your truck bed through the tailgate, what you have to do is: get a red flag or something bright — use either of those to mark it.
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How can I get better gas mileage in my 6.7 Powerstroke?

How to Increase Fuel Mileage on 6.7 Powerstroke – Surprising...
  1. Make Sure Your Tire Pressure Is Set Correctly. ...
  2. Remove Carrying Weight. ...
  3. Don't Run Your Engine to Warm It Up. ...
  4. Change Your Driven Speed to Save Fuel. ...
  5. Use Cruise Control. ...
  6. Stop Aggressively. ...
  7. Reduce Your Load. ...
  8. Keep Your Vehicle Cool.
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Can you drive with tailgate down in Texas?

it's against texas law to drive with the tailgate down.
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Does using AC in car use more gas?

Running The AC Will Lower Your Vehicle's Fuel Efficiency

While the total impact will vary based on the car you're driving, you can always expect your fuel efficiency to be decreased. If you're keeping your AC running all the time, you're going to be using more gas.
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Does cruise control save gas?

Generally speaking, yes. Cruise control can help you become more fuel-efficient and can help you save an average of 7-14% on gas thanks to its ability to maintain a continuous speed. In comparison, the constant change in acceleration and deceleration of the driver placing their foot over the pedals can eat more gas.
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Do camper shells improve gas mileage?

No, camper shells do not improve gas mileage. In fact, for what it's worth, camper shells lower your mph due to the extra weight. Another fact that we must address here is that camper shells do not improve your truck's aerodynamics.
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Can you live in a truck camper without the truck?

You can absolutely sleep in a truck camper off the truck while camping. Campers are designed to be used both attached to your vehicle and unattached. This is because some campers like to leave their campsites after arriving. You might, however, save your jacks for a while by leaving it attached.
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Can a Ford f250 carry a truck camper?

An F-250 most certainly can carry a camper. The maximum towing capacity of an F-250 is up to 19000 lbs (8618 kg) with a payload of 7050 lbs (3197 kg) and a GVWR of 14000 lbs (6350kg).
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Can you ride in the back of a truck with a camper shell?

Is it Legal to Ride in the Back of a Truck Camper? In general, the answer is yes. With just a few exceptions, most states allow passengers to ride in the camper while the truck is in motion. This is a little surprising since most of the same states don't allow passengers in a travel trailer or 5th-wheel.
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How much do truck campers weigh?

You can expect an average truck camper weight to be about 2,684 pounds (1,217 kg). This varies depending on the type of truck camper and whether it's a hard side or pop up style. Models that come with slide-outs typically add about 1,000 lbs (453 kg) to a typical non-slide out model.
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What can you use a truck bed for?

Here are some alternative purposes for your pickup truck that you can easily do yourself.
  • A truck hammock. Ever wish you had a hammock but just couldn't find the right spot to hang it? ...
  • DIY pickup camper. ...
  • Hayride sans a horse. ...
  • Truck bed kitchen or workshop. ...
  • Tailgate lounge. ...
  • Pickup pool. ...
  • Mega cooler.
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Do bigger tires hurt gas mileage?

For example, larger tires decrease your fuel economy because they are heavier, while smaller tires increase fuel efficiency. Bigger tires also have a higher rolling resistance than smaller tires which means they require more resistance and effort to get them rolling.
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Do lowered trucks get better mpg?

Less Air Drag

There's less air hitting the wheels and tires (that are not streamlined shapes). This makes these cars faster. Some owners of low-stance vehicles also notice improved gas mileage. BUT, lowering a car too much will actually increase wind drag.
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Why do trucks get bad gas mileage?

One of the most common culprits for a drop in fuel efficiency is dirty fuel injectors. Fuel injectors are the nozzles that spray fuel into each engine cylinder. A fuel injector's spray pattern must be very precise to properly mix with air and combust inside the engine.
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